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T cell deficiency

Index T cell deficiency

T cell deficiency is a deficiency of T cells, caused by decreased function of individual T cells, it causes an immunodeficiency of cell-mediated immunity. [1]

53 relations: Allergy, Antibody, Antiviral drug, Ataxia-telangiectasia, B cell, Cachexia, Cartilage–hair hypoplasia, Cell signaling, Cell-mediated immunity, Chemotherapy, Chromosome instability syndrome, Cryptococcus neoformans, Cryptosporidium parvum, Cytomegalovirus, Deficiency (medicine), Dermatitis, Diarrhea, DiGeorge syndrome, Erythroderma, Failure to thrive, Genetic disorder, Glucocorticoid, Hematopoietic stem cell transplantation, Herpes simplex, Herpes simplex virus, Herpesviridae, Histoplasma capsulatum, HIV/AIDS, Human respiratory syncytial virus, Humoral immune deficiency, Immunodeficiency, Intracellular parasite, Leishmania, Listeria, Lymphoma, Muller's morphs, Mycobacterium, Mycobacterium avium-intracellulare infection, Mycosis, Omenn syndrome, Pneumocystis jirovecii, Primary immunodeficiency, Rhodococcus equi, Rotavirus, Salmonella, Severe combined immunodeficiency, T cell, Thymocyte, Toxoplasma gondii, Varicella zoster virus, ..., Viral disease, White blood cell, Wiskott–Aldrich syndrome. Expand index (3 more) »


Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment.

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An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to neutralize pathogens such as pathogenic bacteria and viruses.

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Antiviral drug

Antiviral drugs are a class of medication used specifically for treating viral infections rather than bacterial ones.

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Ataxia-telangiectasia (AT or A-T), also referred to as ataxia-telangiectasia syndrome or Louis–Bar syndrome, is a rare, neurodegenerative, autosomal recessive disease causing severe disability.

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B cell

B cells, also known as B lymphocytes, are a type of white blood cell of the lymphocyte subtype.

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Cachexia, or wasting syndrome, is loss of weight, muscle atrophy, fatigue, weakness and significant loss of appetite in someone who is not actively trying to lose weight.

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Cartilage–hair hypoplasia

Cartilage–hair hypoplasia (CHH), also known as McKusick type metaphyseal chondrodysplasia,James, William; Berger, Timothy; Elston, Dirk (2005).

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Cell signaling

Cell signaling (cell signalling in British English) is part of any communication process that governs basic activities of cells and coordinates all cell actions.

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Cell-mediated immunity

Cell-mediated immunity is an immune response that does not involve antibodies, but rather involves the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.

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Chemotherapy (often abbreviated to chemo and sometimes CTX or CTx) is a type of cancer treatment that uses one or more anti-cancer drugs (chemotherapeutic agents) as part of a standardized chemotherapy regimen.

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Chromosome instability syndrome

Chromosome instability syndromes are a group of inherited conditions associated with chromosomal instability and breakage.

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Cryptococcus neoformans

Cryptococcus neoformans is an encapsulated yeast and an obligate aerobe that can live in both plants and animals.

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Cryptosporidium parvum

Cryptosporidium parvum is one of several species that cause cryptosporidiosis, a parasitic disease of the mammalian intestinal tract.

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Cytomegalovirus (CMV) (from the Greek cyto-, "cell", and megalo-, "large") is a genus of viruses in the order Herpesvirales, in the family Herpesviridae, in the subfamily Betaherpesvirinae.

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Deficiency (medicine)

In medicine, a deficiency is a lack or shortage of a functional entity, by less than normal or necessary supply or function.

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Dermatitis, also known as eczema, is a group of diseases that results in inflammation of the skin.

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Diarrhea, also spelled diarrhoea, is the condition of having at least three loose or liquid bowel movements each day.

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DiGeorge syndrome

DiGeorge syndrome, also known as 22q11.2 deletion syndrome, is a syndrome caused by the deletion of a small segment of chromosome 22.

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Erythroderma (also known as "Exfoliative dermatitis," "Dermatitis exfoliativa") is an inflammatory skin disease with erythema and scaling that affects nearly the entire cutaneous surface.

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Failure to thrive

Failure to thrive (FTT), more recently known as faltering weight or weight faltering, is a term used in pediatric medicine, as well as veterinary medicine (where it is also referred to as ill-thrift), to indicate insufficient weight gain or inappropriate weight loss.

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Genetic disorder

A genetic disorder is a genetic problem caused by one or more abnormalities in the genome.

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Glucocorticoids are a class of corticosteroids, which are a class of steroid hormones.

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Hematopoietic stem cell transplantation

Hematopoietic stem cell transplantation (HSCT) is the transplantation of multipotent hematopoietic stem cells, usually derived from bone marrow, peripheral blood, or umbilical cord blood.

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Herpes simplex

Herpes simplex is a viral disease caused by the herpes simplex virus.

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Herpes simplex virus

Herpes simplex virus 1 and 2 (HSV-1 and HSV-2), also known as human herpesvirus 1 and 2 (HHV-1 and HHV-2), are two members of the herpesvirus family, Herpesviridae, that infect humans.

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Herpesviridae is a large family of DNA viruses that cause diseases in animals, including humans.

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Histoplasma capsulatum

Histoplasma capsulatum is a species of dimorphic fungi.

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Human immunodeficiency virus infection and acquired immune deficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV).

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Human respiratory syncytial virus

Human respiratory syncytial virus (HRSV) is a syncytial virus that causes respiratory tract infections.

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Humoral immune deficiency

Humoral immune deficiencies are conditions which cause impairment of humoral immunity, which can lead to immunodeficiency.

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Immunodeficiency (or immune deficiency) is a state in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent.

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Intracellular parasite

Intracellular parasites are microparasites that are capable of growing and reproducing inside the cells of a host.

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Leishmania is a genus of trypanosomes that are responsible for the disease leishmaniasis.

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Listeria is a genus of bacteria that, until 1992, contained 10 known species, each containing two subspecies.

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Lymphoma is a group of blood cancers that develop from lymphocytes (a type of white blood cell).

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Muller's morphs

Hermann J. Muller (1890–1967), who was a 1946 Nobel Prize winner, coined the terms amorph, hypomorph, hypermorph, antimorph and neomorph to classify mutations based on their behaviour in various genetic situations, as well as gene interaction between themselves.

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Mycobacterium is a genus of Actinobacteria, given its own family, the Mycobacteriaceae.

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Mycobacterium avium-intracellulare infection

Mycobacterium avium-intracellulare infection (MAI) is an atypical mycobacterial infection, i.e. one with nontuberculous mycobacteria or NTM, caused by ''Mycobacterium avium'' complex ("MAC"), which is made of three mycobacteria species, M. avium, M. intracellulare, and M. chimaera.

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Mycosis is a fungal infection of animals, including humans.

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Omenn syndrome

Omenn syndrome is an autosomal recessive severe combined immunodeficiency associated with hypomorphic missense mutations in immunologically relevant genes of T-cells (and B-cells) such as recombination activating genes (RAG1 and RAG2), IL-7 Receptor α gene (IL7Rα), DCLRE1C-Artemis, RMRP-CHH, DNA-Ligase IV, common gamma chain, WHN-FOXN1, ZAP-70 and complete DiGeorge anomaly (DiGeorge Syndrome; CHARGE).

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Pneumocystis jirovecii

Pneumocystis jirovecii (previously P. carinii) is a yeast-like fungus of the genus Pneumocystis.

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Primary immunodeficiency

Primary immunodeficiencies are disorders in which part of the body's immune system is missing or does not function normally.

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Rhodococcus equi

Rhodococcus equi is a Gram-positive coccobacillus bacterium.

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Rotavirus is the most common cause of diarrhoeal disease among infants and young children.

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Salmonella is a genus of rod-shaped (bacillus) Gram-negative bacteria of the family Enterobacteriaceae.

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Severe combined immunodeficiency

Severe combined immunodeficiency, SCID, also known as alymphocytosis, Glanzmann–Riniker syndrome, severe mixed immunodeficiency syndrome, and thymic alymphoplasia, is a rare genetic disorder characterized by the disturbed development of functional T cells and B cells caused by numerous genetic mutations that result in heterogeneous clinical presentations.

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T cell

A T cell, or T lymphocyte, is a type of lymphocyte (a subtype of white blood cell) that plays a central role in cell-mediated immunity.

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Thymocytes are hematopoietic progenitor cells present in the thymus.

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Toxoplasma gondii

Toxoplasma gondii is an obligate intracellular, parasitic alveolate that causes the disease toxoplasmosis.

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Varicella zoster virus

Varicella zoster virus or varicella-zoster virus (VZV) is one of eight herpesviruses known to infect humans.

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Viral disease

A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells.

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White blood cell

White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

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Wiskott–Aldrich syndrome

Wiskott–Aldrich syndrome (WAS) is a rare X-linked recessive disease characterized by eczema, thrombocytopenia (low platelet count), immune deficiency, and bloody diarrhea (secondary to the thrombocytopenia).

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Primary T cell deficiency, T cell defect, T cell deficiencies, T cell disease, T cell disorder, T cell insufficiency.


[1] https://en.wikipedia.org/wiki/T_cell_deficiency

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